class_docstr: Identify constant expressions.
class_docstr_tok: ["Identify","constant","expressions","."]
code: def visit_Constant(self, node):
      self.constant_expressions.add(node)
  
file_path: catboost/contrib/python/pythran/pythran/analyses/static_expressions.py
imports: from pythran.passmanager import NodeAnalysis
label_desc: Use image node_id 12 for calling the StaticExpressions obj's underlying member method code with example usage: obj.visit_Constant(node) without return types